The circulatory system

The circulatory system is made up of blood vessels that carry blood away from and towards the heart. Arteries carry blood away from the heart and veins carry blood back to the heart. The circulatory system carries oxygen, nutrients, and hormones to cells, and removes waste products, like carbon dioxide.

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Answer:

Question:

• To which organ system does the heart belong?

Answer:

• Circulatory system

Explanation:

• Circulatory system is the body's transport system. It delivers blood and nutrients to every part of the body.
• Heart is the producer of oxygen-rich blood by pumping blood throughout the body.
• The circulatory system has three main parts. The blood, blood vessel and the heart.

Explanation:

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